FR1238826A - Improvements made to dynamic seals, especially those operating dry - Google Patents

Improvements made to dynamic seals, especially those operating dry

Info

Publication number
FR1238826A
FR1238826A FR799548A FR799548A FR1238826A FR 1238826 A FR1238826 A FR 1238826A FR 799548 A FR799548 A FR 799548A FR 799548 A FR799548 A FR 799548A FR 1238826 A FR1238826 A FR 1238826A
Authority
FR
France
Prior art keywords
especially those
improvements made
those operating
dynamic seals
operating dry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR799548A
Other languages
French (fr)
Inventor
Chaffiotte Ingenieur A Pierre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR799548A priority Critical patent/FR1238826A/en
Application granted granted Critical
Publication of FR1238826A publication Critical patent/FR1238826A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
    • F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR799548A 1959-07-07 1959-07-07 Improvements made to dynamic seals, especially those operating dry Expired FR1238826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR799548A FR1238826A (en) 1959-07-07 1959-07-07 Improvements made to dynamic seals, especially those operating dry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR799548A FR1238826A (en) 1959-07-07 1959-07-07 Improvements made to dynamic seals, especially those operating dry

Publications (1)

Publication Number Publication Date
FR1238826A true FR1238826A (en) 1960-08-19

Family

ID=8716898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR799548A Expired FR1238826A (en) 1959-07-07 1959-07-07 Improvements made to dynamic seals, especially those operating dry

Country Status (1)

Country Link
FR (1) FR1238826A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0870956A1 (en) * 1995-11-10 1998-10-14 Nikuni Machinery Industrial Co., Ltd. Mechanical seal unit
IT202100030689A1 (en) * 2021-12-03 2023-06-03 Umbra Meccanotecnica SEAL RING AND JOINT FOR OIL DRILLING SYSTEMS

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0870956A1 (en) * 1995-11-10 1998-10-14 Nikuni Machinery Industrial Co., Ltd. Mechanical seal unit
US6485021B1 (en) 1995-11-10 2002-11-26 Nikuni Machinery Ind Co Mechanical seal unit with temporarily connecting inlet and outlet grooves
IT202100030689A1 (en) * 2021-12-03 2023-06-03 Umbra Meccanotecnica SEAL RING AND JOINT FOR OIL DRILLING SYSTEMS
WO2023100039A1 (en) * 2021-12-03 2023-06-08 Meccanotecnica Umbra S.P.A. Sealing ring and joint for oil drilling plant

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